/*
 * Syncrem - Tool for remote synchronizing
 *
 * Copyright (c) 2011 Norbert Chromek <norbert.chromek@gmail.com>
 *
 * Syncrem is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Syncrem is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Syncrem. If not, see <http://www.gnu.org/licenses/>.
 */

#ifndef PROCESS_H
#define PROCESS_H

#include "filelock.h"
#include "loghandler.h"
#include "signalhandler.h"

class Process {

	// public type definitions
	public:
		enum UserStatus {
			UserRoot = 0,
			UserNonRoot = 1,
		};

		enum LockStatus {
			Unlocked = 0,
			Locked = 1,
		};

		enum ForkStatus {
			ForkedProcess = -1,
			ForkingSuccesfull = 0,
			ForkingFailed = 1,
		};

		enum ProcessLevel {
			User,
			Daemon,
			Module,
		};

	// public functions
	public:
		Process();
		~Process();

		Process::LockStatus checkLock();
		Process::UserStatus checkUser();
		Process::ForkStatus daemonize();
		bool isTerminated();

	// private functions
	private:
		int forkProcess();

	// private variables
	private:
		int level_;
		LogHandler logHandler_;
		FileLock lock_;
		SignalHandler signalHandler_;
};

#endif // PROCESS_H
